This Ceramic Filter removes up to 99% of taste, odor, and particles larger than 0.3 micrometers; 98% of aluminum, lead, and particles larger than 0.2 micrometers; and 96% of iron. It traps dirt, sediment, contaminants, and debris. Replacement Ceramic Filters compatible with various water filter systems, including countertop and water cooler models. The Ceramic Filters purify water for approximately 1–4 people per day. The service life of the 2-pack ceramic filters is 1 year or 1,000 gallons. Proper cleaning of the filter element helps reduce secondary pollution and extends filter life. Color: As shown Material: Ceramic + Plastic Package Contents: 2 × Ceramic Dome Water Filters Note: Slight color variations may occur due to lighting and display differences. Measurement tolerance is ±1–3 cm.